<?php

//  Year, Month, Day, Result, Comments

return [
    [
        6890,
        18,
        11,
        11,
    ],
    // Excel 1900 Calendar Base Date
    [
        1,
        1900,
        1,
        1,
    ],
    // Day before Excel mythical 1900 leap day
    [
        59,
        1900,
        2,
        28,
    ],
    // Excel mythical 1900 leap day
    [
        60,
        1900,
        2,
        29,
    ],
    // Day after Excel mythical 1900 leap day
    [
        61,
        1900,
        3,
        1,
    ],
    // Day after Excel mythical 1900 leap day
    [
        713,
        1901,
        12,
        13,
    ],
    // PHP 32-bit Earliest Date
    [
        714,
        1901,
        12,
        14,
    ],
    [
        1461,
        1903,
        12,
        31,
    ],
    // Excel 1904 Calendar Base Date
    [
        1462,
        1904,
        1,
        1,
    ],
    [
        1463,
        1904,
        1,
        2,
    ],
    [
        22269,
        1960,
        12,
        19,
    ],
    // PHP Base Date
    [
        25569,
        1970,
        1,
        1,
    ],
    [
        30292,
        1982,
        12,
        7,
    ],
    [
        39611,
        2008,
        6,
        12,
    ],
    // PHP 32-bit Latest Date
    [
        50424,
        2038,
        1,
        19,
    ],
    // Day after PHP 32-bit Latest Date
    [
        50425,
        2038,
        1,
        20,
    ],
    [
        39448,
        2008,
        1,
        1,
    ],
    [
        39447,
        2008,
        1,
        null,
    ],
    [
        39446,
        2008,
        1,
        -1,
    ],
    [
        39417,
        2008,
        1,
        -30,
    ],
    [
        39416,
        2008,
        1,
        -31,
    ],
    [
        39082,
        2008,
        1,
        -365,
    ],
    [
        39508,
        2008,
        3,
        1,
    ],
    [
        39507,
        2008,
        3,
        null,
    ],
    [
        39506,
        2008,
        3,
        -1,
    ],
    [
        39142,
        2008,
        3,
        -365,
    ],
    [
        39417,
        2008,
        null,
        1,
    ],
    [
        39387,
        2008,
        -1,
        1,
    ],
    [
        39083,
        2008,
        -11,
        1,
    ],
    [
        39052,
        2008,
        -12,
        1,
    ],
    [
        39022,
        2008,
        -13,
        1,
    ],
    [
        39051,
        2008,
        -13,
        30,
    ],
    [
        39021,
        2008,
        -13,
        null,
    ],
    [
        38991,
        2008,
        -13,
        -30,
    ],
    [
        38990,
        2008,
        -13,
        -31,
    ],
    [
        39814,
        2008,
        13,
        1,
    ],
    [
        39507,
        2007,
        15,
        null,
    ],
    [
        40210,
        2008,
        26,
        1,
    ],
    [
        40199,
        2008,
        26,
        -10,
    ],
    [
        38686,
        2008,
        -26,
        61,
    ],
    [
        39641,
        2010,
        -15,
        -50,
    ],
    [
        39741,
        2010,
        -15,
        50,
    ],
    [
        40552,
        2010,
        15,
        -50,
    ],
    [
        40652,
        2010,
        15,
        50,
    ],
    [
        40179,
        2010,
        1.5,
        1,
    ],
    [
        40178,
        2010,
        1.5,
        0,
    ],
    [
        40148,
        2010,
        0,
        1.5,
    ],
    [
        40179,
        2010,
        1,
        1.5,
    ],
    [
        41075,
        2012,
        6,
        15,
    ],
    [
        41060,
        2012,
        6,
        null,
    ],
    [
        40892,
        2012,
        null,
        15,
    ],
    [
        167,
        null,
        6,
        15,
    ],
    [
        3819,
        10,
        6,
        15,
    ],
    [
        3622,
        10,
        null,
        null,
    ],
    [
        274,
        null,
        10,
        null,
    ],
    [
        '#NUM!',
        null,
        null,
        10,
    ],
    [
        '#NUM!',
        -20,
        null,
        null,
    ],
    [
        '#NUM!',
        -20,
        6,
        15,
    ],
    // Excel Maximum Date
    [
        2958465,
        9999,
        12,
        31,
    ],
    // Exceeded Excel Maximum Date
    [
        '#NUM!',
        10000,
        1,
        1,
    ],
    [
        39670,
        2008,
        8,
        10,
    ],
    [
        39813,
        2008,
        12,
        31,
    ],
    [
        39692,
        2008,
        8,
        32,
    ],
    [
        39844,
        2008,
        13,
        31,
    ],
    [
        39813,
        2009,
        1,
        0,
    ],
    [
        39812,
        2009,
        1,
        -1,
    ],
    [
        39782,
        2009,
        0,
        0,
    ],
    [
        39781,
        2009,
        0,
        -1,
    ],
    [
        39752,
        2009,
        -1,
        0,
    ],
    [
        39751,
        2009,
        -1,
        -1,
    ],
    [
        40146,
        2010,
        0,
        -1,
    ],
    [
        40329,
        2010,
        5,
        31,
    ],
    // MS Excel will fail with a #VALUE return, but PhpSpreadsheet can parse this date
    [
        40199,
        2010,
        1,
        '21st',
    ],
    // MS Excel will fail with a #VALUE return, but PhpSpreadsheet can parse this date
    [
        40258,
        2010,
        'March',
        '21st',
    ],
    // MS Excel will fail with a #VALUE return, but PhpSpreadsheet can parse this date
    [
        40258,
        2010,
        'March',
        21,
    ],
    [
        '#VALUE!',
        'ABC',
        1,
        21,
    ],
    [
        '#VALUE!',
        2010,
        'DEF',
        21,
    ],
    [
        '#VALUE!',
        2010,
        3,
        'GHI',
    ],
];
